在生产中利用电位滴定法测定干红葡萄酒中SO_2的含量，避免了直接碘量法终点识别的困难。
During the production, determination of SO_2 (sulphur dioxide) in dry red wine using potentiometric titration avoids the end-point recognition difficulty compared with using iodometry method.
图2以直接直接碘滴定法与通气蒸馏法检测金针干制品二氧化硫残留量结果比较。
Figure2 Comparison of testing results on the sulfur dioxide residue of dried daylily products using direct titration method and Rankine method.
提出了用螯合滴定法测定矿石试样中的锡，用以取代铝片还原碘量法。
Methods Tannin was extracted by the ultrasonic technology and content of tannin was determined by the method of complex titration.
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